Joint Power Shanghai Seals Co., Ltd.

Joint Power Shanghai Seals Co., Ltd was founded in 2001, located in No. 333, Yuantai Road, Baoshan District, Shanghai, covering an area of 30, 200 square meters with a complete production line of silicon carbide seal rings, employing 298 people. We have been specializing in production and R&D of silicon carbide seal rings for 21 years.

Joint Power is the global strategic supplier of John Crane. Joint Power has been recognized as "Shanghai High-Tech Enterprise" for 15 consecutive years. In 2018, Joint Power was rated as "Shanghai Technology Little Giant Enterprise" by Shanghai Science and Technology Commission.

In 2019, Joint Power was awarded as "Specialized-Refined-Differential-Innovational".

Joint Power has participated in formulation of the JB/T6374-2020 industry standard on " Technical Conditions of Silicon Carbide Sealing rings for mechanical seals" LED by China Mechanical Seal Standardization Technical Committee in 2020.4 authorized invention and 41 utility model patents for our products are obtained during R&D.

Our main Silicon Carbide Materials include:

Sintered Silicon Carbide Material(SJP-SS)

Reaction Bonded Silicon Carbide Material(SJP-RB)

Graphite Loaded Sintered Silicon Carbide Material(SJP-SG)

Porous Silicon Carbide Material(SJP-SP)

The products include:

Silicon Carbide Seal Ring for Contacting Mechanical Seal

Silicon Carbide Ring for Dry Gas Mechanical Seal

Silicon Carbide Seal Ring for Split Mechanical Seal

Silicon Carbide materials have the following properties:

High hardness, high strength, wear resistance, erosion resistance, high temperature resistance, low friction coefficient, self-lubrication, low coefficient of thermal expansion.

The working condition of silicon carbide:

Adaptable to high temperature, high pressure, high speed, strong corrosion, strong acid and alkali, semi-dry friction, instant dry friction and other working conditions.

Products have obtained certificates of US FDA, EU REACH, RoHS, EC1935 and UK WRAS, being widely acclaimed and recognized in 42 countries around the world.